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Mon, 20 Nov 2023 23:52:13 GMT Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 425AC58059; Mon, 20 Nov 2023 23:52:13 +0000 (GMT) Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1181058043; Mon, 20 Nov 2023 23:52:13 +0000 (GMT) Received: from mamboa4.aus.stglabs.ibm.com (unknown [9.3.84.87]) by smtpav06.dal12v.mail.ibm.com (Postfix) with ESMTP; Mon, 20 Nov 2023 23:52:13 +0000 (GMT) From: Glenn Miles To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: Glenn Miles , =?utf-8?q?C=C3=A9dric_Le_Goater?= , Nicholas Piggin , =?utf-8?b?RnLDqWTDqXJpYyBCYXJyYXQ=?= Subject: [PATCH v4 10/11] ppc/pnv: Add a pca9554 I2C device to powernv10-rainier Date: Mon, 20 Nov 2023 17:51:11 -0600 Message-Id: <20231120235112.1951342-11-milesg@linux.vnet.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20231120235112.1951342-1-milesg@linux.vnet.ibm.com> References: <20231120235112.1951342-1-milesg@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 2S1GIz5iiu2LZcVDGzRVFjsnpLZJnuX9 X-Proofpoint-GUID: KEhqf8eak0zAPNVD5NAdLTyJySRuw1Pv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-20_22,2023-11-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 impostorscore=0 suspectscore=0 bulkscore=0 phishscore=0 priorityscore=1501 mlxlogscore=999 spamscore=0 adultscore=0 clxscore=1015 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311200175 Received-SPF: none client-ip=148.163.156.1; envelope-from=milesg@linux.vnet.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org For powernv10-rainier, the Power Hypervisor code expects to see a pca9554 device connected to the 3rd PNV I2C engine on port 1 at I2C address 0x25 (or left-justified address of 0x4A). This is used by the hypervisor code to detect if a "Cable Card" is present. Signed-off-by: Glenn Miles Reviewed-by: Cédric Le Goater --- Changes from previous version: - Code moved from pnv_chip_power10_realize to pnv_rainier_i2c_init hw/misc/Kconfig | 4 ++++ hw/misc/meson.build | 1 + hw/ppc/Kconfig | 1 + hw/ppc/pnv.c | 6 ++++++ 4 files changed, 12 insertions(+) diff --git a/hw/misc/Kconfig b/hw/misc/Kconfig index cc8a8c1418..c347a132c2 100644 --- a/hw/misc/Kconfig +++ b/hw/misc/Kconfig @@ -34,6 +34,10 @@ config PCA9552 bool depends on I2C +config PCA9554 + bool + depends on I2C + config I2C_ECHO bool default y if TEST_DEVICES diff --git a/hw/misc/meson.build b/hw/misc/meson.build index 36c20d5637..c39410e4a7 100644 --- a/hw/misc/meson.build +++ b/hw/misc/meson.build @@ -4,6 +4,7 @@ system_ss.add(when: 'CONFIG_FW_CFG_DMA', if_true: files('vmcoreinfo.c')) system_ss.add(when: 'CONFIG_ISA_DEBUG', if_true: files('debugexit.c')) system_ss.add(when: 'CONFIG_ISA_TESTDEV', if_true: files('pc-testdev.c')) system_ss.add(when: 'CONFIG_PCA9552', if_true: files('pca9552.c')) +system_ss.add(when: 'CONFIG_PCA9554', if_true: files('pca9554.c')) system_ss.add(when: 'CONFIG_PCI_TESTDEV', if_true: files('pci-testdev.c')) system_ss.add(when: 'CONFIG_UNIMP', if_true: files('unimp.c')) system_ss.add(when: 'CONFIG_EMPTY_SLOT', if_true: files('empty_slot.c')) diff --git a/hw/ppc/Kconfig b/hw/ppc/Kconfig index f77ca773cf..2302778265 100644 --- a/hw/ppc/Kconfig +++ b/hw/ppc/Kconfig @@ -33,6 +33,7 @@ config POWERNV select FDT_PPC select PCI_POWERNV select PCA9552 + select PCA9554 config PPC405 bool diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index c29a136465..54ebef789e 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -1918,6 +1918,12 @@ static void pnv_rainier_i2c_init(PnvMachineState *pnv) qdev_get_gpio_in(DEVICE(hotplug), 8)); qdev_connect_gpio_out(DEVICE(hotplug), 4, qdev_get_gpio_in(DEVICE(hotplug), 9)); + + /* + * Add a PCA9554 I2C device for cable card presence detection + * to engine 2, bus 1, address 0x25 + */ + i2c_slave_create_simple(chip10->i2c[2].busses[1], "pca9554", 0x25); } }